{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "The method consists of antisolvent co - precipitation from an aqueous solution containing both an amino acid core material ( e . g . D , L - valine ) , and either bovine serum albumin ( BSA ) or lysozyme ( Lys ) as model proteins ."}
{"Chemical": ["amino acid", "D , L - valine"]}